81366019

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 102632376

約数和(自身を除く): 21266357

約数列:

[1, 7, 23, 43, 49, 73, 161, 301, 511, 529, 989, 1127, 1679, 2107, 3139, 3577, 3703, 6923, 11753, 21973, 22747, 25921, 38617, 48461, 72197, 82271, 153811, 159229, 270319, 505379, 1114603, 1660531, 1892233, 3537653, 11623717, 81366019]

約数ペア:

[(1, 81366019), (7, 11623717), (23, 3537653), (43, 1892233), (49, 1660531), (73, 1114603), (161, 505379), (301, 270319), (511, 159229), (529, 153811), (989, 82271), (1127, 72197), (1679, 48461), (2107, 38617), (3139, 25921), (3577, 22747), (3703, 21973), (6923, 11753)]